Markoff was engaged to Megan McAllister and the two were set to marry in August 2009 before he was fingered in a string of crimes stemming from Craigslist.

The 24-year-old was scheduled to go on trial in March 2011 for allegedly killing Julissa Brisman in April 2009 at a luxurious Back Bay Hotel, a woman he had allegedly met through the Craigslist website.

Markoff was also charged with robbing Trisha Leffler at gunpoint at a Westin Hotel in Boston on April 10, 2009. Leffler, of Las Vegas, was robbed of $800 in cash and $250 in American Express gift cards and was allegedly bound and held at gunpoint.

He was also facing charges for the attempted armed robbery of a stripper at a Holiday Inn Express in Warwick, Rhode Island on April 16, 2009.RELATED STORIES